2 Troubleshooting Procedures
TECRA S3 Maintenance Manual (960-532) [CONFIDENTIAL] 2-15

2.4 System Board Troubleshooting

This section describes how to determine if the system board and CPU are defective or not
functioning properly. Start with Procedure 1 and continue with the other procedu res as
instructed.
The procedures descri bed in this section are:
Procedure 1: Message Check
Procedure 2: Printer Port LED Check on Boot Mode
Procedure 3: Printer Port LED Check on Suspend/Resume Mode
Procedure 4: Diagnostic Test Program Execution Check
Procedure 5: Replacement Check